Originally Posted by Cody480
It goes to about 5psi+- then theres a loud purge sound that seems to come from the intercooler area.
This is what my car did when the IC>TB hose was leaking. Upon visual inspection it looked fine, but it needed removed/reinstalled/tightened down and then the problem was gone. It's so simple, you might was well do this with all of your IC hoses just to rule them out.
MODS: PW TMIC, Cobb catted DP, HKS cat-back, AVO filter, Bren e-tune; Konis/Epics, Advan RCII